Science 
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https://www.nature.com/articles/s41407-019-0127-1
the overall findings in summary were that the acidic nature of sports drinks has the potential to cause dental erosion, however, saliva control and frequency of consumption - habit, is more important in this instance. In addition, it was the studies agreed that enamel surface was softened by sports drinks once consumed but did not qualify as erosion; there was no correlation with sports drinks and dental erosion. In addition, Antunes et al. (2016)12 highlights the fact that with the use of isotonic sports drinks, there is no association with dental erosion.